Knee Support, Open Patella, One-Size-Fits-All, beige, nylon plush-lined neoprene. It has a gel-filled support ring around open patella. It has wide hook & loop upper and lower straps & a narrow center strap. This support helps increase blood flow, accelerates the body’s natural healing process mitigating pain, swelling and stiffness. Even more important, this support helps PREVENT injuries!